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Omni-MATH / Find all functions f colon mathbbR to mathbbR that satisfy the inequality f(y)−((z−y)/(z−x)f(x)+(y−x)/(z−x)f(z))≤f((x+z)/(2))−(f(x)+f(z))/(2) for all real numbers x<y<z. · Discussion
Discussing Find all functions f colon mathbb{R} to mathbb{R} that satisfy the inequality f(y)−((z−y)/(z−x)f(x)+(y−x)/(z−x)f(z))≤f((x+z)/(2))−(f(x)+f(z))/(2) for all real numbers x<y<z. · Omni-MATH
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